Cementitious composition with high bond strength to both asphalt and cement based materials
US11472741B2 · kind B2 · utility
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11References
7Claims
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Key dates
| Filing date | Mar 4, 2020 |
| Grant date | Oct 18, 2022 |
| Priority date | — |
| Expiry date | May 28, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A cementitious composition of one embodiment, according to the present teaching, includes, but is not limited to, a Portland cement, and at least one other cement from a group comprising, but not limited to, calcium sulfoaluminate cement, a calcium aluminosilicate cement, and calcium aluminate, wherein the Portland cement has a content of at least 20 percent based on the total weight of the non-Portland hydratable cement powder, wherein the cementitious composition bonds to asphalt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.